Pre-Installation
Visually inspect the HWBT for any damage. If damage exists
return product for replacement.
Installation
This product must be installed by a
qualified professional.
Refer to Figure 1 for typical installation of the AMTROL
HWBT Series.
Maintenance
A qualified professional should check the complete system,
including the HWBT, yearly and more frequently as the
system ages.
Operation
1. The HWBT models are designed to add thermal mass to non-
potable, closed, hot water systems helping minimize boiler
cycling that occurs during no/low domestic load conditions.
2. Water temperature not to exceed 450°F.
3. System pressure is not to exceed the maximum working
pressure of the tank.
Warranty
HWBT120-2 through HWBT300-4/4 Models
:
One (1) Year Limited Warranty
Visit www.amtrol.com for complete warranty details.
Chlorine & Aggressive Water.
The water quality
can significantly influence the life of this product.
You should test for corrosive elements, acidity, total solids and other
relevant contaminants, including chlorine and treat your water appropriately
to insure satisfactory performance and prevent premature failure.
Welding to the pressure vessel boundary will
void the ASME rating.
Leaking, corrosion or indications of damage are
signs of an impending serious failure of the
buffer tank. Periodically inspect for damage and if noted the product
must be serviced or replaced. Failure to follow these instructions
could result in serious personal injury or death and
property damage.
Water temperature above 100°F can be very
hazardous. Allow system water temperature to
cool down below 100°F before blowing down this product. Failure to
follow these instructions could result in serious personal injury or
death and property damage.
EXPLOSION OR RUPTURE HAZARD.
A relief
valve must be installed to prevent pressure in
excess of local code requirement or maximum working pressure
designated in the Product Manual, whichever is less. At least once every
3 years or if discharge is present, a licensed contractor should inspect the
temperature and pressure relief valve and replace if corrosion is evident
or the valve does not function.
FAILURE TO INSPECT THIS VALVE AS
DIRECTED COULD RESULT IN UNSAFE TEMPERATURE OR
PRESSURE BUILD-UP WHICH CAN RESULT IN PRODUCT FAILURE,
SERIOUS INJURY OR DEATH AND/OR SEVERE PROPERTY
DAMAGE AND VOID THE PRODUCT WARRANTY.
PLEASE READ THE FOLLOWING INSTRUCTIONS CAREFULLY
IMPORTANT GENERAL SAFETY INFORMATION -
ADDITIONAL SPECIFIC SAFETY ALERTS APPEAR IN THE FOLLOWING INSTRUCTIONS.
© 2015 AMTROL Inc.
Part #: 9017-157 (01/15)
Mark of the
Originator
1400 Division Road, West Warwick, RI USA 02893
T: 800.426.8765 F: 800.293.1519
www.amtrol.com
Figure 1
SYSTEM
PUMP
BOILER
2 Port Installation
SYSTEM
PUMP
BOILER
PUMP
4 Port Installation
